Home / 742,631.04-1,113,945.12-269,315.04

Finding the Fourth Proportional to 742,631.04, 1,113,945.12 and 269,315.04

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Solution

The fourth proportional to 742,631.04, 1,113,945.12 and 269,315.04 is: 403,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,631.04 : 1,113,945.12 = 269,315.04 : x
  2. Step 2: Convert to fraction form
    742,631.04/1,113,945.12 = 269,315.04/x
  3. Step 3: Cross multiply
    742,631.04x = 1,113,945.12 × 269,315.04
  4. Step 4: Simplify right side
    742,631.04x = 300,002,174,550.61
  5. Step 5: Solve for x
    x = 300,002,174,550.61/742,631.04
  6. Step 6: Final answer
    x = 403,972.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.